TW435012B - Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties - Google Patents

Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties Download PDF

Info

Publication number
TW435012B
TW435012B TW088113310A TW88113310A TW435012B TW 435012 B TW435012 B TW 435012B TW 088113310 A TW088113310 A TW 088113310A TW 88113310 A TW88113310 A TW 88113310A TW 435012 B TW435012 B TW 435012B
Authority
TW
Taiwan
Prior art keywords
sequence
hadamard
group
code
patent application
Prior art date
Application number
TW088113310A
Other languages
English (en)
Chinese (zh)
Inventor
Johan Nystrom
Branislav Popovic
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22467212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW435012(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of TW435012B publication Critical patent/TW435012B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • H04J13/0044OVSF [orthogonal variable spreading factor]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • H04J13/18Allocation of orthogonal codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
TW088113310A 1998-08-17 1999-08-04 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties TW435012B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/135,247 US6526091B1 (en) 1998-08-17 1998-08-17 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties

Publications (1)

Publication Number Publication Date
TW435012B true TW435012B (en) 2001-05-16

Family

ID=22467212

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088113310A TW435012B (en) 1998-08-17 1999-08-04 Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties

Country Status (15)

Country Link
US (1) US6526091B1 (ko)
EP (1) EP1105991B1 (ko)
JP (1) JP4230111B2 (ko)
KR (1) KR100691603B1 (ko)
CN (1) CN1143467C (ko)
AR (1) AR025263A1 (ko)
AU (1) AU772280B2 (ko)
BR (1) BR9913041B1 (ko)
CA (1) CA2338560C (ko)
DE (1) DE69936455C5 (ko)
MY (1) MY125162A (ko)
RU (1) RU2234196C2 (ko)
TW (1) TW435012B (ko)
WO (1) WO2000010277A1 (ko)
ZA (1) ZA200100769B (ko)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840232C1 (de) * 1998-09-03 1999-10-28 Siemens Ag Verfahren und Funk-Kommunikationssystem zur Synchronisation von Teilnehmerstationen
US6973057B1 (en) * 1999-01-29 2005-12-06 Telefonaktiebolaget L M Ericsson (Publ) Public mobile data communications network
KR100287896B1 (ko) * 1999-02-06 2001-04-16 서평원 이동 통신 시스템에서 셀 탐색 방법
KR100294711B1 (ko) * 1999-03-15 2001-07-12 서평원 최적의 파일럿 심볼을 이용한 프레임 동기 방법
US7496132B2 (en) * 1999-03-15 2009-02-24 Kg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6721299B1 (en) * 1999-03-15 2004-04-13 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US6987746B1 (en) * 1999-03-15 2006-01-17 Lg Information & Communications, Ltd. Pilot signals for synchronization and/or channel estimation
US7643540B2 (en) * 1999-03-15 2010-01-05 Lg Electronics Inc. Pilot signals for synchronization and/or channel estimation
US6891815B1 (en) * 1999-03-15 2005-05-10 Young-Joon Song Pilot signals for synchronization and/or channel estimation
KR100290678B1 (ko) * 1999-04-24 2001-05-15 윤종용 씨디엠에이 이동통신시스템의 셀탐색 장치 및 방법
KR100421142B1 (ko) * 1999-04-28 2004-03-04 삼성전자주식회사 이동통신시스템의 셀탐색 장치 및 방법
US6958989B1 (en) * 1999-05-19 2005-10-25 Interdigital Technology Corporation Uplink scrambling code assignment for a random access channel
EP1443684B1 (en) * 1999-05-28 2007-08-22 Interdigital Technology Corporation Cell search procedure for TDD/CDMA communications systems
US6717930B1 (en) * 2000-05-22 2004-04-06 Interdigital Technology Corporation Cell search procedure for time division duplex communication systems using code division multiple access
US7103085B1 (en) * 1999-06-18 2006-09-05 Texas Instruments Incorporated Wireless communications system with secondary synchronization code based on values in primary synchronization code
PL234297B1 (pl) * 1999-07-07 2020-01-31 Samsung Electronics Co Ltd Urządzenie do generowania kodu szyfrującego w systemie łączności ruchomej UMTS
CN1132391C (zh) * 1999-08-09 2003-12-24 华为技术有限公司 一种实现移动通信系统的导频同步信道的方法
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
US6891882B1 (en) * 1999-08-27 2005-05-10 Texas Instruments Incorporated Receiver algorithm for the length 4 CFC
JP3438669B2 (ja) * 1999-09-14 2003-08-18 日本電気株式会社 移動通信端末装置及びその制御方法並びにその制御プログラムを記録した記録媒体
US6996162B1 (en) * 1999-10-05 2006-02-07 Texas Instruments Incorporated Correlation using only selected chip position samples in a wireless communication system
FR2803467B1 (fr) 1999-12-30 2002-02-08 Mitsubishi Electric Inf Tech Methode d'estimation d'un canal de transmission ou de telecommunication
JP3581072B2 (ja) * 2000-01-24 2004-10-27 株式会社エヌ・ティ・ティ・ドコモ チャネル構成方法及びその方法を利用する基地局
US7069590B1 (en) * 2000-02-17 2006-06-27 Microsoft Corporation System and method for protecting data streams in hardware components
US6693954B1 (en) 2000-04-17 2004-02-17 Rf Micro Devices, Inc. Apparatus and method of early-late symbol tracking for a complementary code keying receiver
US6661834B1 (en) 2000-04-17 2003-12-09 Rf Micro Devices, Inc. Carrier recovery for spread spectrum communications
US6674818B1 (en) * 2000-04-17 2004-01-06 Rf Micro Devices, Inc. Reduced complexity decision circuitry
ES2269908T3 (es) * 2000-05-10 2007-04-01 Mitsubishi Electric Information Technology Centre Europe B.V. Metodo para adjudicar codigos de sincronizacion secundarios a una estacion base de un sistema de telecomunicaciones moviles.
US8576754B2 (en) 2000-05-22 2013-11-05 Interdigital Technology Corporation TDD base station for code group synchronization
US7400654B2 (en) * 2000-05-23 2008-07-15 Siemens Aktiengesellschaft Method for synchronizing a receiver with a transmitter
US7103061B1 (en) * 2000-06-26 2006-09-05 Koninklijke Philips Electronics N.V. Synchronization codeword for interference reduction in a CDMA system
US8165246B1 (en) * 2000-08-28 2012-04-24 Alcatel Lucent Training sequence for low latency LMS implementation
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
US7236508B2 (en) * 2001-02-05 2007-06-26 The Directv Group, Inc. Application of complex codes to maximize feeder link utilization
US20030053622A1 (en) * 2001-09-20 2003-03-20 Aiden Bruen Method for the construction of hash functions based on sylvester matrices, balanced incomplete block designs and error-correcting codes
US7075885B2 (en) * 2001-12-03 2006-07-11 Motorola, Inc. Method for assigning variable-length walsh codes for code division multiple access communications systems
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
KR20090085150A (ko) * 2003-01-23 2009-08-06 인터디지탈 테크날러지 코포레이션 무선 통신 시스템에서의 부적합 셀 배제
US8682386B2 (en) * 2003-04-07 2014-03-25 Fujitsu Limited Dual-mode system and dual-mode wireless terminal
KR101022066B1 (ko) 2003-05-17 2011-03-17 엘지전자 주식회사 이동통신 시스템에서의 하향링크 제어채널 구조 및 이를이용한 시간-코드 할당방법
US7394801B2 (en) * 2003-06-17 2008-07-01 Qisda Corporation Cell search method suitable for initial cell search and target cell search
US7684472B2 (en) * 2003-07-02 2010-03-23 Thomson Licensing Method and apparatus for frequency-robust detection of a wideband code division multiple access secondary synchronization channel
US7463618B2 (en) * 2003-08-04 2008-12-09 Thomson Licensing Frame synchronization in a universal mobile telephone system receiver
TWM246707U (en) * 2003-08-26 2004-10-11 Behavior Tech Computer Corp Wireless man machine interface device
US7587660B2 (en) * 2005-04-22 2009-09-08 Kansas State University Research Foundation Multiple-access code generation
US8064424B2 (en) 2005-07-22 2011-11-22 Qualcomm Incorporated SDMA for WCDMA
WO2007013560A1 (ja) * 2005-07-29 2007-02-01 Matsushita Electric Industrial Co., Ltd. マルチキャリア通信における無線通信基地局装置、無線通信移動局装置、および、パイロット信号系列割当方法
US7599444B2 (en) 2005-09-02 2009-10-06 Alcatel-Lucent Usa Inc. Coding in a MIMO communication system
US8102900B2 (en) * 2006-04-07 2012-01-24 Broadcom Corporation Method and apparatus for efficient gold code generation and management in WCDMA systems
CN101297486B (zh) 2006-09-25 2010-05-19 华为技术有限公司 携带同步编码的信息和帧定时同步的方法
MX2009003264A (es) * 2006-09-29 2009-04-07 Panasonic Corp Metodo para asignar una secuencia y aparato para asignar una secuencia.
RU2417519C2 (ru) * 2006-10-03 2011-04-27 Квэлкомм Инкорпорейтед Способ и устройство для обработки первичных и вторичных сигналов синхронизации для беспроводной связи
US8144731B2 (en) * 2006-10-24 2012-03-27 Qualcomm Incorporated Control channel signaling in wireless communications
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
BRPI0810797B1 (pt) 2007-04-30 2020-10-13 Nokia Solutions And Networks Oy método para comunicação sem fio e aparelho para comunicação sem fio
KR101425249B1 (ko) 2007-06-15 2014-08-01 옵티스 와이어리스 테크놀리지, 엘엘씨 무선 통신 장치 및 응답 신호 확산 방법
US7801231B2 (en) * 2007-09-27 2010-09-21 Intel Corporation Preamble techniques for communications networks
EP2156748B1 (de) * 2008-07-30 2011-09-21 Symrise AG Zusammensetzung zur Reduzierung des NaCl-Gehaltes in Lebensmitteln
JP2010041652A (ja) * 2008-08-08 2010-02-18 Fujitsu Ltd 端末装置、基地局装置検出方法、無線通信システム、及び基地局装置
WO2010021635A1 (en) 2008-08-20 2010-02-25 Qualcomm Incorporated Power control method for a geran system to increase geran network capacity
US8705411B2 (en) 2008-08-20 2014-04-22 Qualcomm Incorporated MUROS modulation using linear baseband combinations with linear gaussian pulse shaping for two users on one timeslot used by non-DARP and DARP remote stations
US7948332B2 (en) * 2008-09-30 2011-05-24 Raytheon Company N-channel multiplexer
EP3197077B1 (en) * 2008-10-30 2019-12-04 Sun Patent Trust Radio communication device and radio communication method
ES2761228T3 (es) 2009-02-27 2020-05-19 Nokia Solutions & Networks Oy Aparato y método para comunicación de múltiples entradas y múltiples salidas de único usuario empleando desplazamientos cíclicos
JP5300073B2 (ja) * 2009-08-28 2013-09-25 国立大学法人山口大学 近似同期cdma通信方式
CN102025390B (zh) * 2010-12-16 2013-03-20 大唐移动通信设备有限公司 一种扩频通信控制方法、装置及系统
RU2485592C1 (ru) * 2012-03-07 2013-06-20 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" Способ формирования целочисленных неортогональных декоррелирующих матриц заданных размеров и устройство для его осуществления
RU2509437C1 (ru) * 2012-07-17 2014-03-10 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" Способ формирования целочисленных ортогональных декоррелирующих матриц заданных размеров для прямого и обратного декоррелирующего преобразования видеоизображений и устройство для его осуществления
DK178764B1 (en) * 2015-06-19 2017-01-09 Itu Business Dev As A computer-implemented method for carrying out a search without the use of signatures
CN107947892B (zh) * 2017-12-27 2019-08-06 西安科锐盛创新科技有限公司 一种基于semi-bent函数的正交序列集构造方法
US11728918B2 (en) 2020-04-10 2023-08-15 Qualcomm Incorporated Multi-bit payload transmission with orthogonal sequences

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357454A (en) 1991-07-25 1994-10-18 Ericsson Ge Mobile Communications Holding, Inc. Fast walsh transform processor
US5353352A (en) 1992-04-10 1994-10-04 Ericsson Ge Mobile Communications Inc. Multiple access coding for radio communications
US5550809A (en) 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US5353332A (en) 1992-09-16 1994-10-04 Ericsson Ge Mobile Communications Inc. Method and apparatus for communication control in a radiotelephone system
US5631929A (en) 1995-05-09 1997-05-20 Unisys Corporation Electronic transmitter having a digital combiner circuit for transmitting multiple digital input signals simultaneously
FI955113A (fi) 1995-10-26 1997-04-27 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
JP3409628B2 (ja) 1996-06-19 2003-05-26 株式会社エヌ・ティ・ティ・ドコモ Cdma通信方法およびグループ拡散変調器
US5768307A (en) 1996-09-13 1998-06-16 Telefonaktiebolaget Lm Ericsson Coherent demodulation with decision-directed channel estimation for digital communication
CA2242773C (en) 1996-11-07 2001-10-02 Matsushita Electric Industrial Co., Ltd. Code generating method and code selecting method
SE9700212L (sv) * 1997-01-24 1998-07-25 Ericsson Telefon Ab L M Förfarande och arrangemang i ett kommunikationssystem
FI970772A (fi) 1997-02-24 1998-08-25 Nokia Telecommunications Oy Kanava-allokointi radiokaistalla
US6215762B1 (en) * 1997-07-22 2001-04-10 Ericsson Inc. Communication system and method with orthogonal block encoding

Also Published As

Publication number Publication date
RU2234196C2 (ru) 2004-08-10
EP1105991B1 (en) 2007-07-04
AR025263A1 (es) 2002-11-20
DE69936455D1 (de) 2007-08-16
BR9913041B1 (pt) 2013-05-28
BR9913041A (pt) 2001-05-08
EP1105991A1 (en) 2001-06-13
JP4230111B2 (ja) 2009-02-25
JP2002523922A (ja) 2002-07-30
WO2000010277A1 (en) 2000-02-24
ZA200100769B (en) 2001-08-08
MY125162A (en) 2006-07-31
CA2338560C (en) 2008-03-25
CN1143467C (zh) 2004-03-24
CA2338560A1 (en) 2000-02-24
KR20010072762A (ko) 2001-07-31
DE69936455C5 (de) 2021-07-29
AU772280B2 (en) 2004-04-22
DE69936455T2 (de) 2008-03-06
CN1323474A (zh) 2001-11-21
KR100691603B1 (ko) 2007-03-09
AU5662399A (en) 2000-03-06
US6526091B1 (en) 2003-02-25

Similar Documents

Publication Publication Date Title
TW435012B (en) Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties
US6567482B1 (en) Method and apparatus for efficient synchronization in spread spectrum communications
AU777074B2 (en) Method for forming and determining a signal sequence, method of synchronization, transmitter unit and receiver unit
US6310869B1 (en) Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols
EP0727116B1 (en) Variable rate signal transmission in a spread spectrum communication system using coset coding
CN1074621C (zh) 扩频通信系统
US5559829A (en) Method of constructing a spreading code associated with one user of a direct sequence code division multiple access digital transmission system and corresponding method of generating a table
US20030016691A1 (en) Apparatus and method for generating PN states
US6442190B1 (en) Method and system for self-encoding a sequential string of data symbols for transmission via communication systems
JPH10510122A (ja) スペクトル拡散通信システムにおいてウォルシュ シフトキーイングを使用する方法及び装置
CN1281599A (zh) 在多用户通信系统中的多层伪随机噪声码扩展
JP3406355B2 (ja) Cdmaシステムのための拡散系列のプレコーディング
RU2193282C2 (ru) Устройство и способ выработки четверичного комплексного квазиортогонального кода и расширения сигнала передачи с использованием квазиортогонального кода в системе связи мдкр
JP3718169B2 (ja) 受信器と送信器とを同期化する方法
JP2001060915A (ja) 1次同期コードの値に基づく2次同期コードを使用する無線通信システム
WO2001020797A1 (fr) Procede de generation de sequences pilotes inverses en duplex a repartition dans le temps
CN109245796B (zh) 一种生成数据的方法及装置
EP1117189A2 (en) Method and apparatus for despreading CDMA signals
JPH11275061A (ja) 干渉除去受信機
MXPA01001486A (en) Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MK4A Expiration of patent term of an invention patent